| Zwijndrecht to Olympia Heights (Florida) | 4,633.19 mi (7,456.40 km) |
| Zwijndrecht to Omaha (Nebraska) | 4,449.54 mi (7,160.84 km) |
| Zwijndrecht to On Top of the World Designated Place (Florida) | 4,540.75 mi (7,307.62 km) |
| Zwijndrecht to Onalaska (Wisconsin) | 4,148.08 mi (6,675.69 km) |
| Zwijndrecht to Oneida (New York) | 3,607.05 mi (5,804.98 km) |
| Zwijndrecht to Oneonta (New York) | 3,611.18 mi (5,811.64 km) |
| Zwijndrecht to Ontario (California) | 5,555.79 mi (8,941.18 km) |
| Zwijndrecht to Ontario (Oregon) | 4,957.27 mi (7,977.95 km) |
| Zwijndrecht to Opa-locka (Florida) | 4,620.68 mi (7,436.27 km) |
| Zwijndrecht to Opelika (Alabama) | 4,485.22 mi (7,218.26 km) |
| Zwijndrecht to Opelousas (Louisiana) | 4,858.41 mi (7,818.85 km) |
| Zwijndrecht to Orange (California) | 5,576.13 mi (8,973.92 km) |
| Zwijndrecht to Orange (Texas) | 4,944.51 mi (7,957.42 km) |
| Zwijndrecht to Orange City (Florida) | 4,508.52 mi (7,255.76 km) |
| Zwijndrecht to Orangeburg (South Carolina) | 4,263.20 mi (6,860.96 km) |
